TC74HCT646AP_07 Datasheet, PDF (5/8 Pages) Toshiba Semiconductor – Octal Bus Transceiver/Register (3-state)

TC74HCT646AP
Electrical Characteristics
DC Characteristics
Characteristics
High-level input
voltage
Low-level input
voltage
High-level output
voltage
Low-level output
voltage
3-state output off
state current
Input leakage
current
Quiescent supply
current
Symbol
V_IH
Test Condition
⎯
Ta = 25°C
Ta = −40~85°C
Unit
V_CC (V) Min Typ. Max Min Max
4.5~5.5 2.0
⎯
⎯
2.0
⎯
V
V_IL
V_OH
V_OL
I_OZ
I_IN
I_CC
I_C
⎯
4.5~5.5 ⎯
⎯
0.8
⎯
0.8
V
V_IN
I_OH = −20 μA
= V_IH or V_{IL IOH = −6 mA}
V_IN
I_OL = 20 μA
= V_IH or V_{IL IOL = 6 mA}
V_IN = V_IH or V_IL
V_OUT = V_CC or GND
4.5
4.4 4.5
⎯
4.4
⎯
V
4.5 4.18 4.31 ⎯ 4.13 ⎯
4.5
⎯
0.0 0.1
⎯
0.1
V
4.5
⎯ 0.17 0.26 ⎯ 0.33
5.5
⎯
⎯ ±0.5 ⎯ ±5.0 μA
V_IN = V_CC or GND
5.5
⎯
⎯ ±0.1 ⎯ ±1.0 μA
V_IN = V_CC or GND
5.5
⎯
⎯
4.0
⎯ 40.0 μA
Per input: V_IN = 0.5 V or 2.4 V
Other input: V_CC or GND
5.5
⎯
⎯
2.0
⎯
2.9 mA
Timing Requirements (input: t_r = t_f = 6 ns)
Characteristics
Symbol
Minimum pulse width
(CK)
Minimum set-up time
t_{W (L)}
t_{W (H)}
t_s
Minimum hold time
t_h
Clock frequency
f
Test Condition
⎯
⎯
⎯
⎯
V_CC (V)
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
Ta = 25°C
Typ. Limit
⎯
15
⎯
14
⎯
10
⎯
9
⎯
5
⎯
5
⎯
31
⎯
37
Ta =
−40
~85°C
Limit
19
17
13
12
5
5
25
30
Unit
ns
ns
ns
MHz
5
2007-10-01